Package contents: the package comes with 3 pieces sharpener in different styles, including 400 grit, 600 grit and 1000 grit, sufficient and various styles can meet your needs; Coarse grinding and fine grinding are combined with these Proper size: each diamond sharpening stone measures approx. 5.9 x 2.48 Inches (L x W), appropriate size makes it to in weight and compact for your convenient carryingReliable material: made of diamond material, the surface sharpener is safe and reliable, not easy to break or fade, with fine resistance to abrasion and corrosion, you can it with much , can be applied for a long timeVersatile usages: the diamond plate honing stone can be applied to sharpen household kitchen knives, wood chisels, jade, seals, seal cutting and chamfering of glass tiles, practical and considerate design for youWarm using tips: after sharpening, do remember to wash the knife before cutting; In order to get results, with water or honing oil; Do not put the sharpener in the dishwasher or submerge in waterColour:silverMaterial:diamondPackage Contents:3 x sharpener (400 , 600 , 1000 )Only the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.